-12.76% is the change from 619 to 540
Calculation steps:
[( 540 - 619 ) ÷ 619] x 100 = -12.76%
Formula
Percentage change = [(540 - 619) / 619] x 100
Subtract the new number by the original number
540 - 619 = -79
-79 ÷ 619 = -0.12762520193861066
-0.12762520193861066 x 100 = -12.76%